| 315.000 MHz | --- | Frequency for key-fobs for North American cars ((It's around here. You won't be able to hear them, they don't sound like anything. You also can't unlock random cars by recording them and playing them back. Sorry.)) ​|

-

| 403.000 MHz | NFM | Radiosondes |

+

| 403.000 MHz | NFM | Radiosondes ​((The weather balloons the NWS launches. Maybe you can decode it and get live atmospheric conditions?​))|